A study of malignant lymphomas in Iran, based on the updated Kiel classification.

One hundred and sixty-two consecutive cases of malignant lymphomas were collected from two diagnostic centres in north and south Iran. Tissue samples were examined by immunohistological methods, and the non-Hodgkin's lymphomas were classified according to the updated Kiel classification. The distribution of the different types of malignant lymphoma in this study is compared with the situation in Western countries.